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US 7,677,778 B2Granted
Projector lamp unit
AssigneeFunai Electric Co., Ltd.
InventorMasakazu Suzuki
Life of this patent
Estimating the term…
Abstract
A projector lamp unit includes: a lamp; a lamp case, housing the lamp; a wire protective member, attached to the lamp case, and comprised from resin having a smaller thermal conductivity than the lamp case; and a resin-covering wire, led from the lamp to the outside of the lamp case through a hole provided with the wire protective member.
Claims7
A projector lamp unit comprising:
- a lamp;
- a resin-covered wire attached to a rear end of the lamp;
- a lamp case, comprised of aluminum, and housing the lamp, the lamp case comprising:
- a first case element, and
- a second case element,
- wherein the first case element is fastened to the second case element by a screw;
- a wire protective member comprising:
- a first member element,
- a second member element, wherein the first member element and the second member element mate to provide a hole to pass the resin-covered wire, and
- a pair of projection pieces that extend toward a rear end of the lamp case and are disposed on opposite sides of the hole that passes the resin-covered wire, wherein the pair of projection pieces are fastened to the first case element and the second case element by the screw,
- wherein the wire protective member resin having a smaller thermal conductivity than the lamp case;
- wherein the wire protective member attaches to the rear end of the lamp case,
- the resin-covered wire is routed from the rear end of the lamp to the outside of the lamp case through the hole provided by the wire protective member,
- the resin-covered wire is nipped between the first member element and the second member element of the wire protective member, and
- a ventilation clearance of the hole is sealed by the resin-covered wire.
12 more elements
A projector lamp unit comprising:
- a lamp;
- a lamp case, housing the lamp;
- a wire protective member, attached to the lamp case, and comprised from resin having a smaller thermal conductivity than the lamp case;
- and
- a resin-covered wire, routed from the lamp to outside the lamp case through a hole provided with the wire protective member.
2 more elements
Dependencies are inferred from the claim text.